PartsTable TECHNICAL DATA SHEET
NSN 3040-01-595-9926Government record, cited

Shaft, Shouldered3040-01-595-9926

NSN 3040-01-595-9926 · NIIN 015959926 · Part number B4951
Thern Inc · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 12437
Government record, cited
NSN 3040-01-595-9926 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-595-9926. Manufacturer of record part number: B4951.
Also searched as  3040-01-595-9926 · 3040015959926 · NIIN 015959926 · 01-595-9926 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 12437 · B4951
Nearby stock numbers  ·
Features
  • Shaft,shouldered — FSC 3040
  • Second End External Thread Length: 0.969 INCHES NOMINAL IN
  • First End Diameter: 0.6230 INCHES NOMINAL IN
  • Second End Diameter: 0.7470 INCHES NOMINAL IN
  • Largest Step Diameter: 1.190 INCHES NOMINAL IN
  • First End Style: THREADED CROSS DRILLED (THRU HOLE)
  • End Similarity: NOT IDENTICAL
  • Second End Style: EXTERNAL THREADED
Identification
  • NSN: 3040-01-595-9926
  • NIIN: 015959926
  • FSC: 3040 — Miscellaneous Power Transmission Equipment
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: B4951
  • Manufacturer: Thern Inc
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-595-9926, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Thern Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-595-9926
Primary Part NumberB4951
Item NameShaft,shouldered
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerThern Inc
StatusACTIVE
Second End External Thread Length0.969 INCHES NOMINAL IN
First End Diameter0.6230 INCHES NOMINAL IN
Second End Diameter0.7470 INCHES NOMINAL IN
Largest Step Diameter1.190 INCHES NOMINAL IN
First End StyleTHREADED CROSS DRILLED (THRU HOLE)
End SimilarityNOT IDENTICAL
Second End StyleEXTERNAL THREADED
MaterialSTEEL
First End Distance From Hole Center to End0.155 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
B4951 PRIMARY Thern Inc (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-595-9926?

NSN 3040-01-595-9926 is a Shaft,shouldered, manufactured by Thern Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-595-9926?

NSN 3040-01-595-9926 has 1 manufacturer part number on file: B4951 (Thern Inc).

What are the specifications of B4951?

Key specifications for B4951: Second End External Thread Length: 0.969 INCHES NOMINAL IN; First End Diameter: 0.6230 INCHES NOMINAL IN; Second End Diameter: 0.7470 INCHES NOMINAL IN; Largest Step Diameter: 1.190 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-595-9926 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com